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Here's what NWS Burlington has to say. -25°C at 27,000'. -5°C at 5000'.
Quote:
National Weather Service Burlington VT
451 AM EDT Sun Jun 2 2019
Monday, the deep upper low swings directly over our region, ushering
in an anomalously cold pool aloft. Sub 540 1000-500mb thickness
values will spread over northern New England through the day, with
500 mb temperatures dropping to the -25C range. Daytime heating will
result in steepening lapse rates and numerous showers will develop
during the afternoon. Wet bulb zero heights will be below 5000 ft,
so any of the more vigorous showers will be capable of producing
graupel/small hail. While Equilibrium Levels will only be 15-20 kft,
temperatures aloft are cold enough that this would be enough for a
few thunderstorms. Have therefore added a slight chance of thunder
to the forecast for tomorrow afternoon. Highs tomorrow will only be
in the 50s, with a brisk west wind during the afternoon.
Current temps with upper heights. Upper Low near Hudson Bay right now ready to dive into Quebec. Another little trough in the SouthWest looks like but no cold air mass around like last time.
30s in Minnesota this morning. Cold airmass diving down
I don't care what the temperature is anymore, just keep it sunny and I'm good. The 7-day looks to have that in spades. We could see more sunshine in the next week around here than in all of May.
Yay, freeze warning for June 3rd for the arrowhead of MN and Vilas County, WI.
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